Participants Adolescent treated after a suicide attempt in a pediatric or psychiatric unit of the participating hospitals: Besançon, Dijon, Metz-Thionville, Nancy, Reims, and Strasbourg, FRANCE. The SA is defined as "a non-fatal act in which the individual liberally causes self-injury or ingests a substance in excess of any prescribed or generally recognised therapeutic dosage" (25). All the patients have a medical examination before the beginning of the research. Adolescent will be recruited during a psychiatric evaluation within 24 hours of admission to pediatric unit of the participating hospitals.